Coll 7317 over Middle Loup River
Thomas County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Coll 7317 over Middle Loup River in Thomas County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1993, making it 32 years old at the 2025 inventory.
- It carries about 65 vehicles a day (traffic count year 1998).
- Its listed owner is the county highway agency.
- It is one of 12 of the 20 inventoried bridges in Thomas County rated good (60.0%); 0 (0.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated June 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (42.0437, -100.8283)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 71 ft |
| Location | Seneca |
| NBI structure number | C008600325 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Thomas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Thedford Viaduct over N 2 BNSF RR | 2009 | 1,880 | Good |
| US83 over Middle Loup River | 2009 | 1,240 | Good |
| US83 over Dismal River | 1979 | 1,135 | Good |
| N2 over Middle Loup River | 1992 | 750 | Good |
| N2 over BNSF RR 064-685-j | 1992 | 750 | Good |
| N2 over Middle Loup River | 1992 | 750 | Good |
All bridges nearby: Thomas County, NE bridge conditions · every bridge in Thomas County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.